Electrical characterization of argon and nitrogen based cold plasma jet G. Divya Deepak, Narendra Kumar Joshi, Ram Prakash and Udit Pal Eur. Phys. J. Appl. Phys., 83 2 (2018) 20801 Published online: 18 October 2018 DOI: 10.1051/epjap/2018180057